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CMMG 8 Inch 300 AAC BLACKOUT - YHM 5310 KR7 - KX3 Piggy Brake

$549.00
SKU: 
4285

The CMMG 8 Inch 300 AAC BLACKOUT - YHM 5310 KR7 - KX3 Piggy Brake upper features a CMMG 8 inch, 4140 chrome-moly, medium tapered profile, salt bath nitride finished barrel chambered in 300 AAC Blackout with a 1:7 twist, pistol length gas system, and a 5/8-24 threaded muzzle.  Built on an M4 ramped, milspec flattop receiver with a lo-pro gas block, YHM-5310 KR7 rail, and a Noveske KX3 piggy brake.

These are assembled and test fired by PK Firearms.



Rock River Arms 16 Inch - MID - HBAR - Troy 13 Inch - CARBON FIBER - Alpha Revolution Rail

$508.00
SKU: 
4291

The Rock River Arms 16 Inch - MID - HBAR - Troy 13 Inch - CARBON FIBER - Alpha Revolution Rail upper features a Rock River Arms 16 inch HBAR contour barrel chambered in 5.56 NATO with 1:9 twist, midlength gas system and 1/2-28 threaded muzzle.  Built on an RRA forged flat top receiver with a Troy 13 Inch Carbon Fiber Alpha Revolution Rail,  low profile gas block and an A2 flash hider.  Includes three accessory rails for Troy 13 Inch rail.

These are assembled and test fired by PK Firearms.



Rock River Arms 16 Inch - MID - HBAR - Troy 11 Inch - CARBON FIBER - Alpha Revolution Rail

$499.00
SKU: 
4292

The Rock River Arms 16 Inch - MID - HBAR - Troy 11 Inch - CARBON FIBER - Alpha Revolution Rail upper features a Rock River Arms 16 inch HBAR contour barrel chambered in 5.56 NATO with 1:9 twist, midlength gas system and 1/2-28 threaded muzzle.  Built on an RRA forged flat top receiver with a Troy 11 Inch Carbon Fiber Alpha Revolution Rail,  low profile gas block and an A2 flash hider.  Includes three accessory rails for Troy 11 Inch rail.

These are assembled and test fired by PK Firearms.



Rock River Arms 18 Inch Stainless - Railed Gas Block - Free Float Mid Length Tube

$549.00
SKU: 
4305

The Rock River Arms 18 Inch Stainless - Railed Gas Block - Free Float Mid Length Tube upper features a Rock River Arms 18 Inch stainless steel, air gauged, cryo-treated barrel chambered in .223 Wylde with a 1:8 twist, mid-length gas system, and a target crown muzzle.  Built on a Rock River Arms forged A4 flattop receiver with a single rail gas block and mid length free float tube with sling swivel stud. This PKF Built upper fills the gap between the 16" and 20" Rock River Predator Pursuit factory uppers.



Rock River Arms 18 Inch Stainless - Free Float Rifle Tube

$549.00
SKU: 
4306

The Rock River Arms 18 Inch Stainless - Free Float Rifle Tube upper features a Rock River Arms 18 Inch stainless steel, air gauged, cryo-treated barrel chambered in .223 Wylde with a 1:8 twist, mid-length gas system, and a target crown muzzle.  Built on a Rock River Arms forged A4 flattop receiver with a low profile gas block and rifle length free float tube with sling swivel stud.



Noveske 14.5 Inch 300 AAC Blackout – Daniel Defense 12.0 Slim Rail – VLTOR MUR

$869.00
SKU: 
4308

The Noveske 14.5 Inch 300 AAC Blackout – Daniel Defense 12.0 Slim Rail – VLTOR MUR upper features a Noveske 14.5 inch 300 AAC Blackout, stainless barrel with 1:7 twist improved polygonal rifling, Noveske 300 Blackout match chamber, extended feed ramps, bead-blasted finish, pistol length gas system, pinned low-profile gas block, in a medium contour with a 5/8-24 threaded muzzle.  Built on a VLTOR MUR upper receiver, Daniel Defense 12.0 Slim Rail, and a 7.62mm A2 flash hider.

These are assembled and test fired by PK Firearms.



Rock River Arms 16 inch - 6.8 SPC II – MID – YHM 5160 S.L.R.

$489.00
SKU: 
4324

The  Rock River Arms 16 inch - 6.8 SPC II – MID – YHM 5160 S.L.R. upper features a Rock River Arms 16 inch HBAR contour barrel chambered in 6.8 SPC II with 1:10 twist, midlength gas system and 5/8x24 threaded muzzle.  Built on an RRA forged flat top receiver with a YHM 5160 12.5 Inch S.L.R. Rail,  low profile gas block and an A2 flash hider. 

These are assembled and test fired by PK Firearms.

Complete with AR-15 bolt carrier group and forged charging handle.



Rock River Arms - 24" SS Fluted Varmint - DLX EXT Handguard - JP Enterprises Comp

$739.00
SKU: 
4335

The Rock River Arms - 24" SS Fluted Varmint - DLX EXT Handguard - JP Enterprises Comp upper features a Rock River Arms 24" Stainless Steel, Fluted Bull (Varmint style) barrel, chambered in .223 Wylde with a 1:8 twist, rifle length gas system, DLX EXT Standard Handguard and JP Enterprises Compensator. Built on an RRA flat top receiver



Rock River Arms - 16" Fluted CMV - TRO CAR

$529.00
SKU: 
4336

The Rock River Arms - 16" Fluted CMV - TRO CAR complete upper features a Rock River Arms 16" Fluted CMV barrel with NO Chrome Lining, in 5.56 NATO, 1/9 twist, Carbine-length gas system, 1/2x28 threaded muzzle.  Built on a Rock River Arms Forged upper receiver using milspec parts with a TRO carbine length free floating rail, lo-pro gas block and an A2 Flash Hider. 


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